[GreenKeys] TTY loop jack boxes - eBay

[John W9DDD]

It's not clear to me if you're getting both.  Did I miss some clue?

In normal operation this has 4 loops with 4 sets normally in the loop.  Then there's places at the bottom for 4 optional sets?  The one I have has had some modifications which confuse the understanding of its normal application.



John, W9DDD


> On Aug 8, 2021, at 12:17 PM, Nick England <navy.radio at gmail.com> wrote:
> 
> Not mine, no relation, etc.
> https://www.ebay.com/itm/265258913276
> 
> These are useful - look here for info - military designation SB-6/GG
> 
> Nick
> 
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